AP Source: Bucks GM Hammond extended through 2017-18

ST. FRANCIS, WI - JUNE 24: Milwaukee Bucks general manager John Hammond and draft pick Malcolm Brogdon participate in a press conference at the Orthopaedic Hospital of Wisconsin Training Center on June 24, 2016 in St. Francis, Wisconsin. (Photo by Gary Dineen/NBAE via Getty Images)

A person with knowledge of the situation tells The Associated Press that the Milwaukee Bucks have extended the contract of general manager John Hammond through the 2017-18 season.

It's an extra year on Hammond's contract and the plan is for him to continue to serve as a consultant after that while assistant GM Justin Zanik takes over the main front office duties. The person spoke on condition of anonymity because the Bucks have not announced the move.

Zanik was hired away from the Utah Jazz in June to be groomed as Hammond's successor.

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Hammond has been the Bucks GM since 2008 and was the NBA's Executive of the Year in 2009-10. He has helped bring in promising youngsters including Giannis Antetokounmpo, Khris Middleton and Jabari Parker.